- Increased frequency of HLA-DR3 and complotype SCO1 in Mexican mestizo children with amoebic abscess of the liver. Arellano, J., Peŕez-Rodríguez, M., López-Osuna, M., Velázquez, J.R., Granados, J., Justiniani, N., Santos, J.I., Madrazo, A., Muñoz, L., Kretschmer, R. Parasite Immunol. (1996)